Streaky Bay (SA)

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According to ABS population statistics analyzed for the wider region and address updates verified by Districts since the Census, the suburb of Streaky Bay has an estimated population of 1,607 in May 2026. This represents a growth of 171 residents (11.9%) relative to the 2021 Census, which registered 1,436 individuals. The estimate is derived from a resident population of 1,605 calculated by Districts using the ABS June 2025 ERP release alongside 107 validated new addresses registered since the Census. This population level corresponds to a density of 3.1 persons per square kilometer, indicating residents have plenty of space. The 11.9% growth rate of the suburb of Streaky Bay since the 2021 census was higher than both the SA4 region (4.2%) and the SA3 area, positioning it as a leading growth zone. Natural increase was the main driver, accounting for roughly 56% of the total population growth in recent times, though interstate and overseas migration also made positive contributions.

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Streaky Bay has a balanced labor market split between white-collar and blue-collar roles across diverse industries, with an unemployment rate of 10.9% according to statistical area data compiled by Districts. In March 2026, there were 742 residents in employment, while the unemployment rate was 5.5% higher than the Regional SA average of 5.5%, indicating a need for job growth. Labor force participation is typical at 61.2% compared to 58.4% in Regional SA. Census records show that only 10.6% of residents worked from home, although this was likely influenced by pandemic lockdowns.

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Taxpayer data compiled by Districts at the postcode level for the 2023 financial year indicates that the suburb of Streaky Bay had a median taxpayer income of $48,860 and an average income of $59,902. These figures are below the national average and compare to $48,920 and $58,933 respectively across Regional SA. Adjusted for a Wage Price Index increase of 10.17% since the 2023 financial year, current estimates would be roughly $53,829 for the median and $65,994 for the average in March 2026. Census findings place household, family, and individual incomes in Streaky Bay between the 8th and 22nd percentiles nationally. The most common weekly income bracket is $800 - 1,499, accounting for 27.6% of the population (443 individuals), whereas the wider region is led by the - bracket at . Although housing expenses are low with of income kept, overall disposable income sits in the th percentile nationally.

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According to the latest Census, the housing mix in Streaky Bay consisted of 95.6% standalone houses and 4.4% other dwelling types like apartments and semi-detached properties, compared to 88.5% houses and 11.5% other dwellings in Regional SA. The home ownership rate was notably higher than the regional average at 49.1%, with the remaining properties occupied by residents with a mortgage (29.6%) or renters (21.3%). The median monthly mortgage payment was higher than the Regional SA average at $1,278, while the median weekly rent was $250, compared to regional figures of $1,153 and $220. On a national level, Streaky Bay mortgage repayments are well below the Australian average of $1,863, and weekly rents are much lower than the national benchmark of $375.

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Families comprise the majority of households at 66.8%, consisting of couples with children at 22.3%, couples without children at 37.4%, and single-parent households at 5.4%. Non-family households account for the remaining 33.2%, with lone person households representing 32.1% and group households making up 1.8% of the total. The median household size is 2.2 residents, slightly lower than the Regional SA average of 2.3.

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The local population has low university qualification rates, with only 14.9% of residents holding a degree compared to the national average of 30.4%. This highlights both a regional challenge and an opportunity for educational programs. Among degree holders, bachelor degrees are the most common at 12.6%, followed by graduate diplomas at 1.3% and postgraduate degrees at 1.0%. Vocational skills are highly prevalent, with 41.5% of residents aged 15+ holding trade credentials, consisting of advanced diplomas (10.0%) and certificates (31.5%).

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Health indicators show favorable outcomes in Streaky Bay, based on Districts assessment of mortality rates and chronic illnesses, with both younger and older demographics showing low rates of common health issues. The rate of private health insurance is relatively low, covering approximately 51% of the population (~814 people), compared to the national average of 55.7%.

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Streaky Bay has lower levels of cultural diversity than average, with 89.2% of residents holding citizenship, 93.9% born in Australia, and 97.7% speaking only English at home. Christianity is the dominant religion, practiced by 45.7% of the population. The most visible statistical divergence was in Judaism, which was recorded at zero percent of the population, matching the zero percent average across Regional SA.

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The median age of 48 years in Streaky Bay matches the Regional SA average of 47 and is higher than the national median of 38. The 65 - 74 age group is overrepresented locally at 18.0% compared to Regional SA, while the 15 - 24 age bracket is underrepresented at 8.3%. The concentration of residents aged 65 - 74 is higher than the national average of 9.4%. Since 2021, the 75 to 84 age group has increased from 5.9% to 8.7% of the population, and the 65 to 74 group has grown from 15.7% to 18.0%. Conversely, the 45 to 54 cohort decreased from to , and the to cohort declined from to . Demographic projections for indicate significant changes for the suburb of Streaky Bay. The to age group is expected to grow the most at , adding residents to reach . Seniors aged and over will account for of total population growth, highlighting the aging trend. In contrast, the numbers of residents aged to and to are projected to decrease.

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Streaky Bay currently has an estimated 88 children under 5 years old, comprising approximately 55 children aged 0-2 and 36 children aged 3-4. This cohort grew by an estimated 24% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 5% by 2041 (to approximately 92 children). Meanwhile the 5-12 cohort currently amounts to 152. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.5 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.